may rebook
Regular verb: rebook - rebooked- rebooked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may rebook
you may rebook
he may rebook
we may rebook
you may rebook
they may rebook 	I may be rebooking
you may be rebooking
he may be rebooking
we may be rebooking
you may be rebooking
they may be rebooking	I may have rebooked
you may have rebooked
he may have rebooked
we may have rebooked
you may have rebooked
they may have rebooked	I may have been rebooking
you may have been rebooking
he may have been rebooking
we may have been rebooking
you may have been rebooking
they may have been rebooking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't rebook
you mayn't rebook
he mayn't rebook
we mayn't rebook
you mayn't rebook
they mayn't rebook 	I mayn't be rebooking
you mayn't be rebooking
he mayn't be rebooking
we mayn't be rebooking
you mayn't be rebooking
they mayn't be rebooking	I mayn't have rebooked
you mayn't have rebooked
he mayn't have rebooked
we mayn't have rebooked
you mayn't have rebooked
they mayn't have rebooked	I mayn't have been rebooking
you mayn't have been rebooking
he mayn't have been rebooking
we mayn't have been rebooking
you mayn't have been rebooking
they mayn't have been rebooking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I rebook?
may you rebook?
may he rebook?
may we rebook?
may you rebook?
may they rebook? 	may I be rebooking?
may you be rebooking?
may he be rebooking?
may we be rebooking?
may you be rebooking?
may they be rebooking? 	may I have rebooked?
may you have rebooked?
may he have rebooked?
may we have rebooked?
may you have rebooked?
may they have rebooked? 	may I have been rebooking?
may you have been rebooking?
may he have been rebooking?
may we have been rebooking?
may you have been rebooking?
may they have been rebooking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I rebook?
mayn't you rebook?
mayn't he rebook?
mayn't we rebook?
mayn't you rebook?
mayn't they rebook? 	mayn't I be rebooking?
mayn't you be rebooking?
mayn't he be rebooking?
mayn't we be rebooking?
mayn't you be rebooking?
mayn't they be rebooking? 	mayn't I have rebooked?
mayn't you have rebooked?
mayn't he have rebooked?
mayn't we have rebooked?
mayn't you have rebooked?
mayn't they have rebooked? 	mayn't I have been rebooking?
mayn't you have been rebooking?
mayn't he have been rebooking?
mayn't we have been rebooking?
mayn't you have been rebooking?
mayn't they have been rebooking?